or how a hospital in texas could drive up your healthcare premium? i'll make the connections from the news to your money real. would probably be very good at that also. that is it for al-jazeera america. >>> in tonight's data dive, some surprising benefits to being a good samaritan. the golden rule can make you feel golden. volunteers were less depressed and more satisfied with their lives. the findings some from a medical school in england. good thing for us, because 27% of americans volunteer their free time. european lag behind with about 22.5% donating time. but australians are the most giving at 36%. it's important to find the kind of volunteering takes you happy. if their work isn't appreciated, it can have the opposite effect. back on the right side, all of this data comes on the heels of a carnegie-mellon study found that adults who volunteeral least 51 hours a year drop their high blood measure by 40%. but if you really want to get healthy, get a dog. a trial followed 369 people with cardiovascular disease, after a year, people who had a dog